A total of 1.096.940 passengers travelled between the former Yugoslav markets and Spain in 2025, marking a record level of traffic. The figure represents an increase of 30.6% on the previous year or an additional 256.738 passengers. Throughout 2025, several new routes were launched between the region and Spain, including Croatia Airlines’ new Zagreb - Madrid service, complementing Iberia’s seasonal operation, Wizz Air’s Belgrade - Alicante flights, Ryanair’s Sarajevo - Girona route, and Vueling’s new Tivat - Barcelona service. In addition, Wizz Air restored flights between Skopje and Barcelona following a three-year hiatus. In late October, Wizz Air inaugurated operations between Belgrade and Madrid, while airBaltic introduced flights between Ljubljana and Las Palmas.

Croatia handled 592.010 passengers on services to and from Spain, representing a year-on-year increase of 18.9%. Zagreb accounted for the most travellers at 308.701, up 27.2%, driven primarily by Ryanair’s strong growth on its Spanish routes from the Croatian capital. Dubrovnik welcomed 162.055 passengers on Spain services, an increase of 11.9%, while Split saw 109.223 travellers, up 16.7%. Zadar recorded 12.337 passengers, down 29.4% year-on-year, reflecting a 30% cut in Ryanair’s flights to Barcelona.

Serbia recorded strong growth on services to Spain, with Belgrade handling 409.226 passengers to and from the country, up 23.2%. Barcelona remained the most popular destination, accounting for more than half of all Spain-bound traffic, followed by Madrid, Alicante, Valencia, Malaga and Palma de Mallorca. Wizz Air's new service to Alicante, launched in June, carried 38.790 passengers, achieving an average cabin load factor of 89.2%. The Serbian flag carrier will launch flights to Alicante, Seville and Tenerife this year.

The bulk of passengers between Slovenia and Spain were carried on flights between Ljubljana and Barcelona. Vueling’s new service, alongside charters which operated between the two cities during the year, resulted in 9.458 passengers, up 143.8% on 2024. Iberia’s seasonal service between Ljubljana and Madrid saw 4.325 travellers, up 31.5% on last year. airBaltic’s new service between Ljubljana and Las Palmas, alongside charters to the Canary Islands generated a further 1.931 customers, a year-on-year increase of 305.7%. Overall, there were 20.241 passengers between Ljubljana and Spain in 2025, an improvement of 81.4%. The remaining passengers flying between the two countries were distributed across leisure services operated by Trade Air.

Macedonia saw 33.391 passengers on its Spain flights. This was split across Wizz Air’s Barcelona service, with the carrier achieving an average cabin load factor of 86.3% on its Skopje operations. The airline also launched flights between the Macedonian capital and Madrid on October 28, resulting in a further 10.115 travellers and loads of 76.9%.

Montenegro welcomed 18.074 passengers on Spain services. Of these, 16.674 travelled on Vueling’s new Tivat - Barcelona route, which recorded an average load factor of 87.8%, while the remaining 1.631 passengers were carried on limited Iberia-operated Madrid charters. The Spanish flag carrier will launch seasonal flights between Madrid and Tivat this year.

Bosnia and Herzegovina saw 28.171 passengers on Ryanair’s new Sarajevo - Girona service, which commenced on March 31. The route recorded an average cabin load factor of 82.8%.